Harry Treadaway as Tom Howe

Luke Treadaway as Barry Howe

Bryan Dick as Paul Day - 1970's

Sean Harris as Nick Sidney

Tania Emery as Laura Ashwood

Diana Kent as Laura Ashworth - present

Tom Bower as Eddie Pasqua

David Kennedy as Paul Day - Present day

Elizabeth Rider as Roberta Howe

Jane Horrocks as Roberta Howe (Romeo video)

Jonathan Pryce as Henry Couling

John Simm as Boatman

Edward Hogg as Chris Dervish

James Greene as Brian Aldiss

Ken Russell as Himself

Anna Nygh as Zak's Mum / Rita Bedderwick

Howard Attfield as Zak Bedderwick

Anne Lambton as Cilla

Jeffry Wickham as Sir Allardyce Stevens

Kenneth Hadley as Pub Manager

Tom Sturridge as Barry Howe - Two-Way Romeo